Event: 9th South Cheshire Shield

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Opponent Rating Result
Andrew Barker 123 1 - 0
Simon Layhe 134 1 - 0
Alan E Thomason 147 0 - 1
Myron Odingo 152 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

339 = (556 + 400 * (3 - 1)) / 4)

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